Pen-F 38/1.8 might give you a little more length for more bokeh/oof, but still shorter than 50mm and faster than f2? Similarly Konica-Hexanon AR 40/1.8. This is Canon FDn 35/2 wide open in low light, maybe not perfectly focused. Step back to get a full body shot will reduce the background blur significantly, but a little Photoshop guassian blur would help that: